Fireproof box



Nov. 9, 1926. 1,606,151

F. H. DAHNKE FIREPROOF BOX Filed July 7. 1924 I INVENTOR.

H517 H. .Dfill/V/(E.

Patented Na; 9, 1926.

1 "UNITED STATES j 1,606,151 A i PATENTOFFICE.

FRED H. DAHNKEOF OAKLAND, CALIFORNIA.

' mamas BOX.

Application filed J'u1y 7, 1924. serial No. 724,592.

My invention is an improved fire resistant box, applicable to the safe keeping of valuable papers, jewelry, etc. 1

The object of my invention is to provide a fire resistant box which; is simple in con-Q struction, inexpensive" to manufacture, and highly efficient for the purpose desired. In the annexed drawing in which my invention is illustrated:

Figure 1 is a perspective View of my box Figure 2 is a fragmentary sectional view taken on the line 2 -2 of Figure 1.

FigureS 1s a fragmentary sect onal v1ew taken on the line 3+3 of Figure 1.

i Figure 4 is an elevation of the holding clip for the cover plate. 1

Figure 5 is a plan view of thesame. Referring more particularly to the drawing, a metal casing 1 has a cover Z hinged thereto, and a suitable lock .3 is mountedin said casing to engage said cover.

structure. Thebottoni of the casing 1 is coveredwith a, layer of asbestos igand a layer of this'board 4E, and the sides are 00 covered with two or more similar layersof asbestos board 5-5 slightly spaced apart to form an air space. A cover strip 6 extends around the upper edges of the layers 5- 5, which also serves as a binding strip, and makes a neat appearance.

adapted to engage said strips.

' An auxiliary cover 7 formed of the above described board, is hinged at the rear to the casing 1. f a

The cover 2 is lined with a layer of asbestos 8 and two or more layers 8 of the composition boardfabricated as above suggested; Thelowermost board 8. is heldin place in the following manner: curvedsteel strips 9 are riveted to the inner surface of the cover 22, as shown in Fig, 5. Plates" 10, a5 having one end bent up and notched as seen in Fig. 4, are secured by screws to the' upper surface of theflowermostcboard, which is 1 cut away adjacent the plate 10, as'showm The notched end ofplate 10 engages strip 9 O i g and is held in position thereby, being wedged between the strip and the cover." The lowermost board 8 is, of course, spaced somewhat from the cover 7 so as to leave an air space similar to that formed in the walls Havingdescribed my invention, I claim A fireproof box comprising a metal Cas ing, said casing being lined witha plurality of layers of board including asbestos and V i i wood, a hinged cover on said casing,a lin ing in said covercomprising a plurality of layers of board, strips secured to said cover, andclips secured to the top layer of board In testimony whereof I affix my signature.

FRED HQ DAHNKE; 

